US20150070249A1 - Display system and reproduction control method - Google Patents

Display system and reproduction control method Download PDF

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Publication number
US20150070249A1
US20150070249A1 US14/475,744 US201414475744A US2015070249A1 US 20150070249 A1 US20150070249 A1 US 20150070249A1 US 201414475744 A US201414475744 A US 201414475744A US 2015070249 A1 US2015070249 A1 US 2015070249A1
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United States
Prior art keywords
information
setting
display device
item
contents data
Prior art date
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Abandoned
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US14/475,744
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English (en)
Inventor
Hidenobu HASHIKAMI
Osamu OGAWARA
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Ricoh Co Ltd
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Ricoh Co Ltd
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Assigned to RICOH COMPANY, LTD. reassignment RICOH COMPANY, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HASHIKAMI, HIDENOBU, OGAWARA, OSAMU
Publication of US20150070249A1 publication Critical patent/US20150070249A1/en
Abandoned legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/08—Arrangements within a display terminal for setting, manually or automatically, display parameters of the display terminal
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user

Definitions

  • the present invention relates to a display system of contents data, and a reproduction control method.
  • An example of a devised method includes sending display setting information specifying a setting state relevant to the displaying of images, to a display device from an information terminal on the side that provides image data, and causing the display device to make settings according to the display setting information (Patent Document 1).
  • the display device only sets values relevant to displaying, such as the display luminance and the color mode. Therefore, for example, in a case of causing the display device to display contents data including a plurality of images, it is difficult to set, in the display device, information relevant to the reproduction of contents data such as the order of displaying images and the display time.
  • Patent Document 1 Japanese Laid-Open Patent Publication No. 2010-232760
  • the present invention provides a display system and a reproduction control method, in which one or more of the above-described disadvantages are eliminated.
  • a display system including a display device, and an information terminal capable of communication with the display device.
  • the information terminal includes a setting item information acquisition unit configured to acquire setting item information relevant to control of reproduction of contents data at the display device, a display control unit configured to display a setting screen for setting a value of an item included in the setting item information, based on the acquired setting item information, and a generation unit configured to generate reproduction control information for controlling, at the display device, the reproduction of the contents data selected at the information terminal, by using the value of the item set in the setting screen.
  • a non-transitory computer-readable recording medium storing a reproduction control program executed at an information terminal capable of communication with a display device.
  • the reproduction control program causes a computer to execute a process including acquiring setting item information relevant to control of reproduction of contents data at the display device, displaying a setting screen for setting a value of an item included in the setting item information, based on the acquired setting item information, and generating reproduction control information for controlling, at the display device, the reproduction of the contents data selected at the information terminal, by using the value of the item set in the setting screen.
  • a reproduction control method performed by a display system including a display device and an information terminal capable of communication with the display device.
  • the reproduction control method includes acquiring setting item information relevant to control of reproduction of contents data at the display device, displaying a setting screen for setting a value of an item included in the setting item information, based on the acquired setting item information, and generating reproduction control information for controlling, at the display device, the reproduction of the contents data selected at the information terminal, by using the value of the item set in the setting screen.
  • FIG. 1 illustrates an example of a system configuration of a display system according to a first embodiment
  • FIG. 2 illustrates an example of a usage scene of a display system according to the first embodiment
  • FIG. 3 illustrates an example of a hardware configuration of each device included in the display system according to the first embodiment
  • FIG. 4 illustrates an example of a functional configuration of devices included in the display system according to the first embodiment
  • FIG. 5 illustrates an example of setting item information according to the first embodiment
  • FIG. 6 illustrates an example of a setting table according to the first embodiment
  • FIG. 7 illustrates an example of reproduction control information according to the first embodiment
  • FIG. 8 is a sequence diagram for describing operations of the display system according to the first embodiment
  • FIG. 9 illustrates an example of a list screen of contents data displayed on the information terminal according to the first embodiment
  • FIG. 10 illustrates an example of a setting screen displayed on the information terminal according to the first embodiment
  • FIG. 11 illustrates an example of a functional configuration of devices included in a display system according to a second embodiment
  • FIG. 12 illustrates an example of the setting item information according to the second embodiment
  • FIG. 13 is a sequence diagram for describing operations of the display system according to the second embodiment.
  • FIG. 14 illustrates an example of a setting screen displayed in the information terminal of the second embodiment.
  • FIG. 15 illustrates an example of a functional configuration of devices included in a display system according to a third embodiment.
  • An embodiment of the present invention includes generating reproduction control information indicating how to reproduce contents data based on values set by a user, sending the generated reproduction control information to a display device, and causing the display device to set information relevant to the reproduction of contents data.
  • FIG. 1 illustrates an example of a system configuration of a display system according to a first embodiment.
  • a display system 100 includes an information terminal 200 and a display device 300 .
  • the information terminal 200 and the display device 300 are connected by a data transmission path N such as a network.
  • the information terminal 200 according to the present embodiment may perform communication by a communication method conforming to specifications of, for example, 3G (3rd Generation), LTE (Long Term Evolution), and 4G (4th Generation). Furthermore, the information terminal 200 according to the present embodiment may perform communication by a communication method conforming to, for example, ZigBee and Bluetooth (registered trademark).
  • the information terminal 200 according to the present embodiment may be a wireless communication terminal, such as a smartphone or a mobile phone. Furthermore, the information terminal 200 according to the present embodiment may be, for example, a tablet PC (Personal Computer) or a notebook computer. The information terminal 200 according to the present embodiment may be any kind of terminal as long as communication is possible with the display device 300 .
  • a wireless communication terminal such as a smartphone or a mobile phone.
  • the information terminal 200 according to the present embodiment may be, for example, a tablet PC (Personal Computer) or a notebook computer.
  • the information terminal 200 according to the present embodiment may be any kind of terminal as long as communication is possible with the display device 300 .
  • a reproduction control program 210 is installed.
  • the information terminal 200 according to the present embodiment executes the reproduction control program 210 to generate reproduction control information for contents data to be displayed on the display device 300 , and sends the contents data and the reproduction control information to the display device 300 .
  • a reproduction program 310 is installed.
  • the display device 300 according to the present embodiment executes the reproduction program 310 to display the contents data sent from the information terminal 200 based on reproduction control information.
  • the display device 300 according to the present embodiment is to have a display function capable of displaying the contents data based on the reproduction control information sent from the information terminal 200 .
  • the display device 300 according to the present embodiment is, for example, a projector or a display.
  • the operation performed by the display device 300 of displaying the contents data according to the reproduction control information is expressed as “reproducing contents data”.
  • the contents data according to the present embodiment is, for example, image data and video data.
  • the image data that is the contents data is, for example, image data of a single image, or image data of a plurality of images.
  • the contents data according to the present embodiment may be any kind of data as long as the contents data can be displayed by the display device 300 .
  • contents data reproduced by the display device 300 is referred to as contents data to be reproduced, and other contents data, such as contents data stored in a predetermined storage area, is simply referred to as contents data.
  • FIG. 2 illustrates an example of a usage scene of a display system according to the first embodiment.
  • the information terminal 200 is a smartphone or a tablet PC
  • the display device 300 includes a projector 301 and a screen 302
  • the display system 100 is, for example, a digital signage.
  • the information terminal 200 When a user makes a setting of the method of reproducing contents data to be reproduced, the information terminal 200 according to the present embodiment generates reproduction control information of contents data to be reproduced based on this setting. Then, the information terminal 200 sends the contents data to be reproduced and the reproduction control information to the projector 301 .
  • the projector 301 saves the received contents data to be reproduced in a storage unit and reproduces the contents data to be reproduced according to the reproduction control information.
  • the display system 100 once the user sends the contents data to be reproduced and the reproduction control information to the display device 300 , it is possible to continuously reproduce the contents data to be reproduced according to the desired setting.
  • the display system 100 according to the present embodiment when the display system 100 according to the present embodiment is applied to a digital signage, etc., the contents data is automatically reproduced as desired by the user, and therefore the user is spared of the trouble of having to set the display order of the contents data and the switching of the contents data, every time.
  • FIG. 3 illustrates an example of a hardware configuration of each device included in the display system 100 according to the first embodiment.
  • the information terminal 200 includes a CPU (Central Processing Unit) 21 , a storage unit 22 , an input unit 23 , an external interface unit 24 , a network control unit 25 , an output unit 26 , and a driver 27 , which are connected to each other by a bus B 1 .
  • a CPU Central Processing Unit
  • the CPU 21 controls various operations of the information terminal 200 .
  • the storage unit 22 stores various kinds of information relevant to operations and calculations of the information terminal 200 , and various programs executed by the information terminal 200 .
  • the input unit 23 is used for inputting various signals and information.
  • the input unit 23 may have a display function such as a touch panel.
  • the input unit 23 according to the present embodiment may be, for example, a pointing device or a keyboard.
  • the external interface unit 24 is, for example, a USB (Universal Serial Bus) memory or a NFC (Near Field Communication).
  • the network control unit 25 includes a modem and LAN card, and is used for connecting to a network.
  • the output unit 26 is used for outputting various kinds of information from the information terminal 200 .
  • the output unit 26 according to the present embodiment may be, for example, a display, or a transmission unit for sending various kinds of data to an external device.
  • the reproduction control program 210 is at least one of various programs for controlling the information terminal 200 .
  • the reproduction control program 210 is provided, for example, by being distributed in a recording medium 28 or by being downloaded from a network.
  • various types of recording media may be used, including a recording medium for electrically or magnetically recording information such as a CD-ROM, a flexible disk, or a magnet-optical disk, or a semiconductor memory for electrically recording information such as a ROM or a flash memory.
  • the reproduction control program 210 is installed in the storage unit 22 from the recording medium 28 via the driver 27 .
  • the reproduction control program 210 downloaded from a network is installed in the storage unit 22 via the network control unit 25 .
  • the storage unit 22 stores the installed reproduction control program 210 , and also stores necessary files and data.
  • the CPU 21 realizes various processes as described below, according to the reproduction control program 210 stored in the storage unit 22 .
  • the display device 300 includes a CPU 31 , a storage unit 32 , an input unit 33 , an external interface unit 34 , a network control unit 35 , a display unit 36 , and a driver 37 , which are connected to each other by a bus B 2 .
  • the CPU 31 controls various operations of the display device 300 .
  • the storage unit 32 stores various kinds of information relevant to operations and calculations of the display device 300 , various programs executed by the display device 300 , and contents data reproduced by the display device 300 .
  • the input unit 33 is used for inputting various signals and information.
  • the input unit 33 is, for example, an operation member for operating the display device 300 .
  • the external interface unit 34 is, for example, a USB (Universal Serial Bus) memory or a NFC (Near Field Communication).
  • the network control unit 35 controls the connection of the display device 300 to a network.
  • the display unit 36 displays contents data for which the display device 300 has received a display instruction.
  • the reproduction program 310 is at least one of various programs for controlling the display device 300 .
  • the reproduction program 310 is provided, for example, by being distributed in a recording medium 38 or by being downloaded from a network. Furthermore, when the recording medium 38 recording the reproduction program 310 is set in the driver 37 , the reproduction program 310 is installed in the storage unit 33 from the recording medium 38 via the driver 37 .
  • the reproduction program 310 downloaded from a network is installed in the storage unit 33 via the network control unit 35 .
  • the storage unit 33 stores the installed reproduction program 310 , and also stores necessary files and data.
  • the CPU 31 realizes various processes as described below, according to the reproduction program 310 stored in the storage unit 33 .
  • FIG. 4 illustrates an example of a functional configuration of devices included in the display system 100 according to the first embodiment.
  • the information terminal 200 includes a predetermined storage area 220 provided in the storage unit 22 .
  • the storage area 220 stores, for example, contents data 221 and setting item information 222 .
  • the contents data 221 is, for example, data that can be displayed on the display device 300 , such as image data and video data.
  • the setting item information 222 according to the present embodiment is information including items set by the user in the reproduction control information, and a range of setting values for each item. That is to say, the setting item information 222 according to the present embodiment is information relevant to controlling the reproduction of the contents data 221 in the display device 300 ; more specifically, information including information indicating the type of item relevant to controlling the reproduction and information indicating the range of setting values of each item.
  • the setting item information 222 is determined in advance according to, for example, the performance and specifications of the display device 300 . In the present embodiment, it is assumed that the setting item information 222 that is determined in advance according to the specifications, etc., of the display device 300 , is stored in the storage unit 22 .
  • the information terminal 200 includes a display control unit 211 , an input reception unit 212 , a reproduction control information generation unit 213 , and a transmission unit 214 .
  • the display control unit 211 displays, on a display which is the output unit 26 of the information terminal 200 , a list screen of the contents data 221 and a setting screen for setting a value of the item included in the setting item information 222 .
  • the input reception unit 212 receives a selection of the contents data 221 selected in the list screen displaying a list of the contents data 221 .
  • the contents data 221 selected in the list screen of the information terminal 200 is sent to the display device 300 as contents data to be reproduced 331 to be reproduced at the display device 300 .
  • the input reception unit 212 according to the present embodiment receives input of a setting value in a setting screen for setting a value of the item included in the setting item information 222 .
  • the reproduction control information generation unit 213 generates reproduction control information 332 based on information included in the reproduction contents data. Specifically, the reproduction control information generation unit 213 according to the present embodiment holds a setting table 215 in which the items included in the reproduction control information 332 and values set for each item are associated with each other. The reproduction control information generation unit 213 refers to the setting table 215 and generates the reproduction control information 332 according to a predetermined format.
  • the items included in the setting item information 222 are part of the items included in the reproduction control information 332 . That is to say, the reproduction control information 332 according to the present embodiment includes values that the user has set for items included in the setting item information 222 . Details of processes by the reproduction control information generation unit 213 according to the present embodiment are described below.
  • the transmission unit 214 sends the contents data to be reproduced 331 and the reproduction control information 332 that has been generated, to the display device 300 .
  • the contents data 221 is described as being stored in the storage unit 22 ; however, the present invention is not so limited.
  • the contents data 221 may be stored in a portable recording medium that can be read by the information terminal 200 , or may be stored in an external device that can communicate with the information terminal 200 .
  • the display device 300 according to the present embodiment includes a save control unit 311 , a verification unit 312 , and a notification unit 313 . Furthermore, the display device 300 according to the present embodiment includes a display control unit 320 that controls the display with respect to the display unit 36 .
  • the display device 300 includes a storage area 330 storing the contents data to be reproduced 331 sent from the information terminal 200 and the reproduction control information 332 .
  • the storage area 330 according to the present embodiment may be, for example, provided in the storage unit 32 included in the display device 300 , or in a portable recording medium that can be read by the display device 300 .
  • the storage area 330 may be provided in an external device that can communicate with the display device 300 .
  • the save control unit 311 stores the contents data to be reproduced 331 and the reproduction control information 332 received from the information terminal 200 , in the storage area 330 . Furthermore, when the save control unit 311 according to the present embodiment receives an instruction to reproduce the contents data to be reproduced 331 from the information terminal 200 , the save control unit 311 sets, in the display device 300 , values of the items included in the reproduction control information 332 .
  • the verification unit 312 verifies whether the contents data to be reproduced 331 can be reproduced in the display device 300 , based on the reproduction control information 332 . Details of processes by the verification unit 312 are described below.
  • the notification unit 313 sends a notification of the verification result to the information terminal 200 .
  • FIG. 5 illustrates an example of setting item information 222 according to the first embodiment.
  • the setting item information 222 includes, for example, Order, Time, and Effect, as setting items.
  • the Order item is an item indicating the order of reproducing the contents data 221 included in the contents data to be reproduced 331 .
  • the value of the Order item is 0, it means that the reproduction order of the contents data 221 included in the contents data to be reproduced 331 is specified.
  • the reproduction order of the contents data 221 included in the contents data to be reproduced 331 becomes random.
  • the reproduction order of the contents data 221 may be, for example, an order selected in the contents data to be reproduced 331 in the list screen of the contents data 221 .
  • the Time item is an item indicating the reproduction time of the contents data 221 included in the contents data to be reproduced 331 .
  • the Time item has a setting range of one second through 30 seconds, and this time can be set in units of one second.
  • the Effect item is an item indicating methods of switching the display of the contents data 221 included in the contents data to be reproduced 331 .
  • the Effect item is one of the methods in a setting range for switching the display corresponding to six values 0 through 5.
  • the display control unit 211 displays a setting screen of the items, based on the setting item information 222 . Details of the setting screen are described below.
  • the contents data to be reproduced 331 is an assembly of the contents data 221 a, 221 b, and 221 c.
  • the order of reproduction of the contents data 221 a, 221 b, and 221 c is set to be the stated order.
  • the reproduction order of the contents data 221 a, 221 b, and 221 c becomes random.
  • the value of the Order item may be set to be 0 in advance as an initial value.
  • the reproduction time of each contents data 221 a, 221 b, and 221 c is set. Note that as the Time item, five seconds is set in advance as an initial value.
  • the Effect item for example, the method of switching the display of the display device 300 from the contents data 221 a to the contents data 221 b is set, when the items of contents data 221 a, 221 b , and 221 c are set to be reproduced in the stated order. Furthermore, as the Effect item, the method of switching from the contents data 221 b to the contents data 221 c is set. Note that as the Effect item, fade in is set as an initial value. Fade in is a method of switching the display such that the reproduced image gradually becomes clear.
  • pushing and wiping from the left to right may also be set.
  • pushing is a method of switching the display by pushing out the displayed contents data to either the left or the right to display the next contents data.
  • wiping is a method of switching the display by wiping out the displayed contents data to display the next contents data.
  • values of items included in the setting item information 222 may be set collectively with respect to all of the contents data 221 included in the contents data to be reproduced 331 , or values of items may be set for each contents data 221 item included in the contents data to be reproduced 331 .
  • FIG. 6 illustrates an example of a setting table according to the first embodiment.
  • the setting table 215 according to the present embodiment includes items of a Version, a Contents list, and a Path, in addition to the items of Order, Time, and Effect included in the setting item information 222 .
  • the Version item according to the present embodiment indicates the version of the format when generating the reproduction control information 332 .
  • the value of the Version item according to the present embodiment is a value corresponding to the display device 300 , in order to display the contents data to be reproduced 331 on the display device 300 .
  • the Contents list item indicates the arrangement of the reproduction setting of the contents data.
  • the arrangement is the order in which the contents data 221 included in the contents data to be reproduced 331 is stored in the storage area 330 , or the order in which the contents data 221 has been selected.
  • the setting table 215 it is assumed that the Version item and the Contents list item are set in advance.
  • the Path item indicates the storage location of each of the contents data 221 included in the contents data to be reproduced 331 .
  • the storage location of the contents data 221 may be set as a value of the Path item in the setting table 215 .
  • a file name of the selected contents data 221 may be included.
  • the reproduction control information generation unit 213 When a user sets a value of each item included in the setting item information 222 , the reproduction control information generation unit 213 according to the present embodiment associates the value set by the user with a corresponding item in the setting table 215 . Then, the reproduction control information generation unit 213 refers to the setting table 215 , and generates the reproduction control information 332 .
  • some of the items included in the setting table 215 are assumed to be included in the setting item information 222 ; however, the present invention is not so limited.
  • all of the items included in the setting table 215 may be included in the setting item information 222 . That is to say, it may be possible for the user to set the values of all of the items included in the setting table 215 .
  • FIG. 7 illustrates an example of the reproduction control information 332 according to the first embodiment.
  • the reproduction control information generation unit 213 When the values of the items in the setting table 215 are set, the reproduction control information generation unit 213 according to the present embodiment generates the reproduction control information 332 of a predetermined format including values of all of the items.
  • the predetermined format is a JSON format.
  • the JSON format is a light-weight data description language based on the description method of objects in JavaScript (registered trademark).
  • the format of the reproduction control information 332 according to the present embodiment is a format that is readable by the display device 300 .
  • the value of the Version item is 1.1.0
  • the value of the Order item is 0, and as the value of the Contents list item, five items of the contents data 221 included in the contents data to be reproduced 331 are arranged in the order of being reproduced.
  • the values of the Contents list item include the value of the path, the value of the Time item, and the value of the Effect item of each contents data 221 included in the contents data to be reproduced 331 .
  • the reproduction control information 332 including values set by the user is generated and sent to the display device 300 .
  • the method of reproduction desired by the user can be set in the display device 300 .
  • FIG. 7 illustrates an example of the reproduction control information 332 according to the present embodiment; however, the present invention is not so limited.
  • the reproduction control information 332 may be any kind of information as long as it includes the storage location of the contents data 221 included in the contents data to be reproduced 331 .
  • FIG. 8 is a sequence diagram for describing operations of the display system 100 according to the first embodiment.
  • the information terminal 200 displays a list screen of the contents data 221 , by the display control unit 211 (step S 802 ). Note that details of the list screen are described below.
  • the information terminal 200 receives a selection of the contents data 221 in the list screen, by the input reception unit 212 (step S 803 ).
  • the information terminal 200 according to the present embodiment repeats the process of step S 803 until the user finishes selecting the contents data 221 .
  • An assembly of the contents data 221 selected in step S 803 becomes the contents data to be reproduced 331 .
  • the information terminal 200 refers to the setting item information 222 , and displays the setting screen of items included in the setting item information 222 , by the display control unit 211 (step S 804 ). Details of the setting screen are described below.
  • the information terminal 200 receives, by the input reception unit 212 , the values of the items input in the setting screen (step S 805 ).
  • the input values of the items are saved in the setting table 215 in association with the corresponding items.
  • the items included in the setting item information 222 are as described above.
  • the information terminal 200 when a request by the user to reproduce the contents data to be reproduced 331 is received (step S 806 ), the information terminal 200 generates the reproduction control information 332 by the reproduction control information generation unit 213 (step S 807 ). Specifically, when the reproduction request is received, the reproduction control information generation unit 213 according to the present embodiment assigns the values of the items stored in the setting table 215 in a predetermined format and generates the reproduction control information 332 .
  • the information terminal 200 sends the reproduction control information 332 to the display device 300 by the transmission unit 214 (step S 808 ).
  • the display device 300 stores the reproduction control information 332 in the storage area 330 by the save control unit 311 (step S 809 ).
  • the information terminal 200 sends the contents data to be reproduced 331 to the display device 300 by the transmission unit 214 (step S 810 ).
  • the display device 300 stores the contents data to be reproduced 331 in the storage area 330 , by the save control unit 311 (step S 811 ).
  • a folder corresponding to the information terminal 200 is provided in the storage area 330 , and the contents data to be reproduced 331 and the reproduction control information 332 may be stored in this folder.
  • the display device 300 sends, by the notification unit 313 , a notification to the information terminal 200 indicating that the storing (uploading) of the contents data to be reproduced 331 in the storage area 330 has been completed (step S 812 ).
  • the information terminal 200 sends an instruction to reproduce the contents data to be reproduced 331 to the display device 300 (step S 813 ).
  • the display device 300 sets, in the display device 300 itself, the values of the items included in the reproduction control information 332 , such that the reproduction of the contents data to be reproduced 331 is executed according to the reproduction control information 332 .
  • the display device 300 verifies whether the contents data to be reproduced 331 can be reproduced according to the reproduction control information 332 , by the verification unit 312 (step S 814 ).
  • the verification unit 312 refers to the reproduction control information 332 and verifies whether the reproduction control information 332 is in a format that is readable by the display device 300 . Furthermore, the verification unit 312 refers to the reproduction control information 332 , and verifies, for example, whether the value of the Version item corresponds to the display device 300 , or whether the reproduction control information 332 includes a path of each contents data 221 .
  • the notification unit 313 sends a notification to the information terminal 200 indicating the verification result obtained by the verification unit 312 (step S 815 ). Specifically, for example, when it is verified that the contents data to be reproduced 331 can be reproduced, the notification unit 313 according to the present embodiment may send a notification to the information terminal 200 indicating that communication is successful. When the notification is received from the notification unit 313 , the information terminal 200 displays the notification result (step S 816 ).
  • the notification unit 313 sends a notification to the information terminal 200 indicating that the communication is unsuccessful.
  • a case where the reproduction is not possible is, for example, a case where the reproduction control information 332 is in a format that cannot be read by the display device 300 , a case where the Version does not correspond to the display device 300 , or a case where the reproduction control information 332 does not include a path of the contents data 221 .
  • a message prompting to resend the contents data to be reproduced 331 may be displayed on the information terminal 200 .
  • the information terminal 200 may repeat the processes of steps S 804 through S 808 .
  • the information terminal 200 may send only the values of the items included in the contents data to be reproduced 331 and the setting item information 222 , to the display device 300 .
  • the display device 300 may store the values of the items that have been resent in the corresponding items of the reproduction control information 332 , and perform the verification by the verification unit 312 .
  • step S 816 the display device 300 reproduces the contents data to be reproduced 331 according to the reproduction control information 332 (step S 817 ).
  • step S 8 the information terminal 200 sends the contents data to be reproduced 331 to the display device 300 after sending the reproduction control information 332 to the display device 300 ; however, the present invention is not so limited.
  • the information terminal 200 may associate the reproduction control information 332 with the contents data to be reproduced 331 , and send both of these to the display device 300 at the same time.
  • the reproduction control information 332 is generated after the contents data 221 is selected in the list screen and values of items of the setting item information 222 are set; however, the present invention is not so limited.
  • the information terminal 200 may generate the reproduction control information 332 in parallel with the selecting of the contents data 221 and the setting of values of items of the setting item information 222 .
  • the setting of values of items of the setting item information 222 may be performed, for example, when the reproduction control program 210 is activated, or immediately after receiving a request to display a list of the contents data 221 .
  • the values of items of the setting item information 222 may be set any time as long as these values are set when generating the reproduction control information 332 .
  • FIG. 9 illustrates an example of a list screen of contents data displayed on the information terminal 200 according to the first embodiment.
  • a list screen 91 of contents data illustrated in FIG. 9 includes a display area 92 in which a list of the contents data 221 stored in the storage area 220 is displayed, and a display area 93 in which the contents data (to eventually become the contents data to be reproduced 331 ) selected in the display area 92 is displayed. Note that in the display area 92 , a list of thumbnails of the contents data 221 may be displayed. Furthermore, similarly, also in the display area 93 , a list of thumbnails of the contents data 221 selected in the display area 92 may be displayed.
  • contents data 221 a, 221 b are selected from the list of contents data 221 displayed in the display area 92 of the list screen 91 .
  • the selected contents data 221 a, 221 b are displayed in the display area 93 as the contents data (to eventually become the contents data to be reproduced 331 ).
  • tick marks indicating that the data is selected may be displayed in a superposed manner.
  • the contents data 221 is reproduced in the order displayed in the display area 93 . That is to say, the contents data (to eventually become the contents data to be reproduced 331 ) of FIG. 9 is reproduced in the order of contents data 221 a, 221 b.
  • the order of the contents data 221 displayed in the display area 93 may be, for example, the order in which the contents data 221 is selected in the display area 92 .
  • the arrangement order of the contents data 221 displayed in the display area 93 may be arbitrarily changed by the user.
  • FIG. 10 illustrates an example of a setting screen displayed on the information terminal 200 according to the first embodiment.
  • a setting screen 101 illustrated in FIG. 10 includes a display area 102 for setting a value of the Time item included in the setting item information 222 , and a display area 103 for setting a value of the Effect item.
  • a slider 102 a is used as a user interface for setting the value of the Time item.
  • icons of animations indicating methods of switching the contents data 221 corresponding to the respective values are used as a user interface for setting a user interface for setting a value of the Effect item.
  • the user interfaces for setting the values of the items are easy to visually recognize as described above, and therefore it is easy for the user to set the values of the items.
  • the information terminal 200 sends, to the display device 300 , the contents data to be reproduced 331 constituted by the contents data 221 selected by the user, and the reproduction control information 332 including values of the items set by the user. Furthermore, the display device 300 sets information relevant to the reproduction of the contents data to be reproduced 331 based on the reproduction control information 332 received from the information terminal 200 , and reproduces the contents data to be reproduced 331 according to the reproduction control information 332 .
  • FIG. 11 illustrates an example of a functional configuration of devices included in a display system 100 A according to the second embodiment.
  • the display system 100 A includes an information terminal 200 A and a display device 300 A.
  • a reproduction control program 210 A is installed, and the information terminal 200 A includes a display control unit 211 A and a setting item information acquisition unit 216 .
  • the display control unit 211 A refers to setting item information 222 A, generates a setting screen with the use of text data and image data corresponding to the display control unit 211 A included in setting screen data 223 described below, and displays the setting screen.
  • the setting item information acquisition unit 216 receives an instruction of ending the selection of the contents data to be reproduced 331 in the information terminal 200 A, sends a request to the display device 300 A to acquire the setting item information 222 A, and acquires the setting item information 222 A.
  • the reproduction control information generation unit 213 uses these values to generate the reproduction control information 332 .
  • the information terminal 200 A includes a storage area 220 A.
  • the storage area 220 A stores the contents data 221 and the setting screen data 223 .
  • the setting screen data 223 according to the present embodiment includes image data and text data that are used when displaying a setting screen for setting values of items included in the setting item information 222 A.
  • the setting item information 222 A according to the present embodiment is associated with, for example, the types of items and the setting range of values of the items. More specifically, for example, the setting screen data 223 according to the present embodiment includes text data corresponding to the Time item and image data corresponding to the setting range of the Effect item.
  • Image data is, for example, icon data corresponding to the setting item.
  • Icon data is, for example, an image that indicates the method of switching the display as an animation, in the setting screen for setting the Effect item.
  • Text data includes, for example, characters for indicating the time in the setting screen for setting the Time item.
  • the setting screen data 223 when a plurality of display devices 300 A are included in the display system 100 A, the setting screen data 223 according to the present embodiment includes the image data and the text data corresponding to the setting item information 222 A of all of the display devices 300 A included in the display system 100 A.
  • the setting screen data 223 is stored in the storage area 220 A; however, the present invention is not so limited.
  • the setting screen data 223 may be stored in another device connected to the information terminal 200 A.
  • the display control unit 211 A acquires the setting screen data 223 corresponding to the items included in the setting item information 222 A and the setting range of the values of items, and displays the setting screen.
  • a reproduction program 310 A is installed, and the display device 300 A includes a setting item information sending unit 314 . Furthermore, the display device 300 A according to the present embodiment includes a storage area 330 A. In the storage area 330 A, the setting item information 222 A is stored.
  • the setting item information sending unit 314 receives a request to acquire the setting item information 222 A from the information terminal 200 A, and sends the setting item information 222 A to the information terminal 200 A.
  • the setting item information 222 A includes predetermined items included in the reproduction control information 332 that is referred to when the contents data to be reproduced 331 is reproduced in the display device 300 A, and the range of values that can be set as the predetermined items.
  • FIG. 12 illustrates an example of the setting item information 222 A according to the second embodiment.
  • the setting item information 222 A illustrated in FIG. 12 includes, for example, an Order item, a Time item, and an Effect item, as predetermined setting items.
  • the setting item information 222 A illustrated in FIG. 12 includes a setting range of the values and initial values corresponding to the respective items. Note that an initial value is a value included in the setting range.
  • the value that can be set as the Order item is 0, and the contents data 221 included in the contents data to be reproduced 331 is reproduced in the selected order.
  • the values that can be set as the Time item are 1 second through 20 seconds at intervals of 5 seconds, and the initial value is 5 seconds.
  • the values that can be set as the Effect item are any one of 0 corresponding to “fade in”, 1 corresponding to “push to left”, 2 corresponding to “push to right”, or 3 corresponding to “none”.
  • FIG. 13 is a sequence diagram for describing operations of the display system 100 A according to the second embodiment.
  • steps S 1301 through S 1303 of FIG. 13 are the same as the processes of steps S 801 through S 803 of FIG. 8 , and descriptions thereof are omitted.
  • the information terminal 200 A sends a request to acquire the setting item information 222 A to the display device 300 A of the display system 100 by the setting item information acquisition unit 216 (step S 1305 ).
  • the display device 300 A sends the setting item information 222 A to the information terminal 200 A (step S 1306 ).
  • the information terminal 200 A displays, by the display control unit 211 A, a setting screen for setting items included in the setting item information 222 A and the values of the items (step S 1307 ). Details of the setting screen displayed in step S 1307 are described below.
  • steps S 1308 through S 1320 are the same as the processes of steps S 805 through S 817 of FIG. 8 , and descriptions thereof are omitted.
  • FIG. 14 illustrates an example of a setting screen displayed in the information terminal 200 A of the second embodiment.
  • the display control unit 211 A uses the image data and the text data included in the setting screen data 223 , and causes the information terminal 200 A to display a setting screen 141 corresponding to the items included in the setting item information 222 A and the setting range.
  • the setting screen 141 includes a display area 102 A for setting a value of the Time item included in the setting item information 222 A, and a display area 103 A for setting a value of the Effect item.
  • image data 103 B for setting a value of the Effect item included in the setting screen data 223 and text data 103 C corresponding to the image data 103 B, are displayed.
  • a request to acquire the setting item information 222 A is made to the display device 300 A; however, the present invention is not so limited. For example, when a connection with the display device 300 A is detected, the information terminal 200 A may request to acquire the setting item information 222 A.
  • the information terminal 200 A displays a setting screen immediately after acquiring the setting item information 222 A; however, the present invention is not so limited.
  • the information terminal 200 A may acquire the setting item information 222 A and save the setting item information 222 A, and display the setting screen at an arbitrary timing determined by the user.
  • the setting item information 222 A is acquired from the display device 300 A; however, the present invention is not so limited.
  • the display device 300 A may include the setting item information 222 A in the SSID (Service Set Identifier) of the display device 300 A, and send the SSID to the information terminal 200 A.
  • SSID Service Set Identifier
  • the information terminal 200 A may send a notification indicating the failure to the display control unit 211 A.
  • the display control unit 211 A may display an error message indicating the failure of the acquisition of the setting item information 222 A when receiving an instruction to display the setting screen 141 , or the display control unit 211 A may make another request to acquire the setting item information 222 A.
  • the information terminal 200 A may acquire the model information of the display device 300 A together with the setting item information 222 A, and save the model information in association with the setting item information 222 A. According to this configuration, there is no need to make a request twice to acquire the setting item information 222 A of the display device 300 A that has already been connected.
  • the information terminal 200 A based on the setting item information 222 A acquired from the display device 300 A, the values of the times included in the reproduction control information 332 are set. Therefore, in the present embodiment, for example, when there are a plurality of display devices 300 A included in the display system 100 A, the information terminal 200 A can set the values of the items that can be realized in the display device 300 A connected with the information terminal 200 A.
  • FIG. 15 illustrates an example of a functional configuration of devices included in a display system 100 B according to the third embodiment.
  • the display system 100 B includes an information terminal 200 B, a display device 300 B, and an information providing server 400 .
  • the information providing server 400 stores an association table 410 , in which the model information of the display device 300 A and the setting item information 222 A are associated with each other.
  • the information providing server 400 is present in a network, and provides the setting item information 222 A to the information terminal 200 B in response to a request to acquire the setting item information 222 A from the information terminal 200 B.
  • a reproduction control program 210 B is installed, and the information terminal 200 B includes a model information acquisition unit 217 .
  • the model information acquisition unit 217 makes a request to acquire model information to the display device 300 B, and acquires model information from the display device 300 B.
  • a reproduction program 310 B is installed, and the display device 300 B includes a model information sending unit 314 A. Furthermore, the display device 300 B according to the present embodiment includes a storage area 330 B. The storage area 330 B stores model information 333 of the display device 300 B.
  • the model information 333 according to the present embodiment is, for example, the model name or product identification information for identifying the display device 300 B, which is information that is set in the display device 300 B in advance.
  • the model information sending unit 314 A receives a request to acquire model information from the information terminal 200 B, reads the model information stored in the storage area 330 B, and sends this model information to the information terminal 200 B by the model information sending unit 314 A.
  • the information terminal 200 B acquires the model information 333 of the display device 300 B by the model information acquisition unit 217 . Then, the information terminal 200 B sends a request to acquire the setting item information 222 A together with the acquired model information 333 , to the information providing server 400 by the setting item information acquisition unit 216 .
  • the information providing server 400 refers to the association table 410 , and sends, to the information terminal 200 B, the setting item information 222 A associated with the model information 333 sent from the information terminal 200 B.
  • the information terminal 200 B When the information terminal 200 B acquires the setting item information 222 A, the information terminal 200 B executes a process by the display control unit 211 A.
  • the model information 333 of the display device 300 B may be sent to the information terminal 200 B, as information included in the SSID of the display device 300 B.
  • a display device it is possible to cause a display device to set information relevant to the reproduction of contents data.

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  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
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  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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